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wwj1982770771

铁虫 (知名作家)

[交流] 求助:怎么溶解TIO2

怎么溶解二氧化钛阿
谢谢
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protein1

铁杆木虫 (著名写手)

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nxl5096224(金币+1):谢谢参与
锐钛矿用HF,在 J. Phys. Chem. B有这方面的描述,具体的卷期忘了.
3楼2007-06-29 15:51:56
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fujishima

至尊木虫 (著名写手)

二氧化钛是不溶的沉淀啊
2楼2007-06-29 15:31:44
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jackchen145

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Kaitokuroba

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nxl5096224(金币+1):谢谢参与
不溶于水、脂肪酸、有机酸、弱无机酸,微溶于碱和热硝酸,只有在浓硫酸或氢氟酸中长时间煮沸才 可完全溶解。
http://www.bzjsw.com/BBS/viewthr ... %26amp%3Btypeid%3D3
这个网址上的东东也许对你有用。
收回账号了,虽然工作后自己很少用,但是让不负责的人真是虐心...
4楼2007-06-29 15:53:12
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zhuyinhua

铜虫 (正式写手)

follow this way!

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nxl5096224(金币+1):谢谢应助哈~
In order to characterise the metal loading of the metal-titania catalysts, we must dissolve the catalysts first, the general procedures are:
weight 0.1g metal-titania catalyst3.0g(NH4)2SO4、6mL 98% concentrated sulfuric acid to a beaker, cover it with a piece of watch-glass, then heat the slurry for over20 mins with a electric  furnace untill it becomes a transparent solution!
And the strong acidity would affect the ICP results, I suggest that the solution should be diluted to a proportion of 0.01 aqueous solutions.

[ Last edited by zhuyinhua on 2007-6-30 at 07:01 ]
5楼2007-06-29 16:17:44
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